feat(server): add transcode presets (#2084)

* feat: add transcode presets

* Add migration

* chore: generate api

* refactor: use enum type instead of string for transcode option

* chore: generate api

* refactor: enhance readability of runVideoEncode method

* refactor: reuse SettingSelect for transcoding presets

* refactor: simplify return statement

* chore: regenerate api

* fix: correct label attribute

* Update import

* fix test

---------

Co-authored-by: Alex <alex.tran1502@gmail.com>

server/immich-openapi-specs.json

@@ -4601,8 +4601,13 @@
           "targetScaling": {
             "type": "string"
           },
-          "transcodeAll": {
-            "type": "boolean"
+          "transcode": {
+            "type": "string",
+            "enum": [
+              "all",
+              "optimal",
+              "required"
+            ]
           }
         },
         "required": [
@@ -4611,7 +4616,7 @@
           "targetVideoCodec",
           "targetAudioCodec",
           "targetScaling",
-          "transcodeAll"
+          "transcode"
         ]
       },
       "SystemConfigOAuthDto": {